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The information you need needs a wiring diagram!
The Related Links have diagrams and the answers to the Related Questions shown below should also be of some help to you.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
To wire a light switch, turn off the power to the circuit, remove the existing switch, connect the wires to the corresponding terminals on the new switch (typically, one wire goes to the common terminal, and the other two to the traveler terminals), and then securely mount the new switch in place. Remember to follow all safety precautions and local electrical codes.
A light switch breaks one half of the circuit to the light. "CODE" says to break the black wire. I usually break the white since this is the ground and should have less chance of a shock from a bad switch. Since it is only half the circuit if you are replacing a switch it does not matter which wire goes to which terminal on the switch. This applies to a single pole switch. A double or triple switch is something else. If a light that turn on from only one place is a single. If it turns on from 2 places, two doorways into a room or top and bottom of stairs it is a two way switch and it does matter how it is wired. Nothing will blow up, it simply will not work from both if wired wrong.
for USA, Canada and other countries running a 60 Hz supply service.
Light switch connection is usually straight forward. Find your incoming hot wires, black and white. With the switch in the off (down) position and the power disconnected , connect the black wire to the top screw of the switch. Find the load wires and connect the black to the bottom screw of the switch. Connect the two remaining white wires together with a wire nut and push them to the back of the switch box. Install the switch into the wall box, replace switch plate cover. Turn the breaker (power) back on. Flip the switch to the up position and the light should come on.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
I assume that you have an un-switched Hot (Black) and neutral (White) power in a box where you want to put a light (1st light) and two other lights you want powered by a single switch. Run a Romex cable with Black, White and Bare lead (14 gauge for 15 A circuit or 12 gauge for a 20 A circuit) to the switch. At the powered light connect the black wires together with a wire nut. Don't connect any light wire. At the switch connect the black wire you ran to one side of the switch and the white wire to the other side of switch and wrap black tape around the white wire to identify it as hot. Connect the bare wire to the green screw on switch.
At the 1st light connect the black wire from the switch to the black HOT power wire. Wrap black tape on the white wire from the switch and connect to the black wire on the light and a Black wite to 2nd light and connect all these together with a wire nut. At the 1st light connect the White wire from power source to the white wire on the light and the white wire going to the 2nd light. Wire together all the bare wires in light 1 box.
At second light run a romex wire to 3rd light and connect all the black wires together (3 wires) and all white wires together (3 wires) and the three bare wires.
At the 3rd light connect 2 black wires together and the two white wires together. Some older lights may have two black wires. If this is the case it doesn't matter which of the two light wires you designate as "White", just pick one.
A light switch wiring is simple. You just need to contend with three wires. For typical home wiring you would have a hot wire (black), a neutral wire (white) and a ground wire (bare or green). You switch only the hot wire.
The hot wire from the supply side is connected to one terminal of the switch. Connect the hot wire for the load to the other side of the switch. Connect the white wires together with a wirenut. The ground wire is connected to the ground terminal of the switch. This is often connected to the supply and load grounds via a pigtail wire and a wirenut connecting three wires together.
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How do you wire a light and switch with the 2 wire old romex?
To wire a light and switch using 2-wire Romex, connect the black wire to the brass screw on the switch, the white wire to the light fixture, and the white wire to the silver screw on the switch. Make sure to cap the unused wire at both ends for safety. Be sure to turn off the power before starting and consult a professional if you are unsure.
How do you connect multiple lights to one switch starting at the light?
To connect multiple lights to one switch starting at the light, you will need to run a cable from the first light fixture to the switch. Connect the hot wire to the switch, along with a pigtail wire to connect to each light. Then connect each light fixture to the pigtail wire to create a parallel circuit. Make sure to follow proper safety precautions and consult a professional if needed.
How do you wire a cable with a black wire a brown wire grey wire and earth wire to a light switch in my car which has 3 holes 1 for single switch and 1 for a doubleswitch?
Connect the black wire to the single switch hole, the brown wire to one of the holes on the double switch, and the gray wire to the other hole on the double switch. The earth wire should be connected to the grounding point on the light switch. Make sure to follow proper safety procedures and consult a professional if you are unsure.
Can you extend power through a 3 wire switch leg for a half switched outlet to a new switch for a new light?
Yes, you can extend power through the 3-wire switch leg to a new switch for a new light. You would need to connect the hot wire to the common terminal on the existing switch, then extend the hot wire to the new switch, along with the traveler wire. At the new switch, connect the hot wire to the common terminal and the traveler wire to one of the traveler terminals.
Light switch has 4 wire colors red and white and green and black which is the hot wire?
You have a 3 way switch. Your black wire is the hot wire. Your green wire is the ground wire. Your red and white wires go to the light and other switch. You should have gotten a wiring diagram with your switch.
How do you wire a light and switch with the 2 wire old romex?
To wire a light and switch using 2-wire Romex, connect the black wire to the brass screw on the switch, the white wire to the light fixture, and the white wire to the silver screw on the switch. Make sure to cap the unused wire at both ends for safety. Be sure to turn off the power before starting and consult a professional if you are unsure.
When a light switch is turned on what travels through the wire?
Current flows through a wire when a light switch is turned on.
How do you install a dimmer to a light installed with W wire B wire and ground W running into the switch box if the switch box has power from B wire W wire and ground?
If you have one wire into your switch box for your light. this is called a switch leg, the dimmer should be wired across the black and white wire wires.
How do you wire 2 light to the same switch?
by a parellal current switch.
What causes parking brake indicator light to stay on Pulled wire off the switch and still on vehicle is 98 dodge durango?
The switch probably turns the light out when the switch makes connection, then the light is on when there is no connection (like when the wire is not connected.) Reconnect the wire and push the switch to see if the light goes out. The switch is most likely out of adjustment or bad.
How do you connect multiple lights to one switch starting at the light?
To connect multiple lights to one switch starting at the light, you will need to run a cable from the first light fixture to the switch. Connect the hot wire to the switch, along with a pigtail wire to connect to each light. Then connect each light fixture to the pigtail wire to create a parallel circuit. Make sure to follow proper safety precautions and consult a professional if needed.
How do you wire a cable with a black wire a brown wire grey wire and earth wire to a light switch in my car which has 3 holes 1 for single switch and 1 for a doubleswitch?
Connect the black wire to the single switch hole, the brown wire to one of the holes on the double switch, and the gray wire to the other hole on the double switch. The earth wire should be connected to the grounding point on the light switch. Make sure to follow proper safety procedures and consult a professional if you are unsure.
How do you wire a light switch in Australia?
you don't it is illegal
Can you extend power through a 3 wire switch leg for a half switched outlet to a new switch for a new light?
Yes, you can extend power through the 3-wire switch leg to a new switch for a new light. You would need to connect the hot wire to the common terminal on the existing switch, then extend the hot wire to the new switch, along with the traveler wire. At the new switch, connect the hot wire to the common terminal and the traveler wire to one of the traveler terminals.
Light switch has 4 wire colors red and white and green and black which is the hot wire?
You have a 3 way switch. Your black wire is the hot wire. Your green wire is the ground wire. Your red and white wires go to the light and other switch. You should have gotten a wiring diagram with your switch.
Have 3 lights Power to light 1 Need to connect light 2 then light 3 then down to single pole switch How do you wire?
You can connect the three lights in series by running a connected wire from the power source to light 1, then another wire from light 1 to light 2, and finally a wire from light 2 to light 3. From light 3, run a wire down to the single pole switch to complete the circuit. Make sure to connect the neutral wires together at each light and the switch.
What are the basic parts of a circuit?
Switch Light Wire battery
